Back design for a golf club iron head



FIG. 1 is a perspective view of our new design for the back design for a golf club iron head, the broken line showing is for illustrative purposes only and forms no part of the claimed design.

FIG. 2 is an elevation of FIG. 1;

FIG. 3 is a planar cross-section of the design of FIG. 1, taken along the 3—3 line in FIG. 2;

FIG. 4 is a planar cross-section of the design of FIG. 1, taken along the 4—4 line of FIG. 2;

FIG. 5 is a planar cross-section of the design of FIG. 1, taken along the 5—5 line of FIG. 2; and,

FIG. 6 is a planar cross-section of the design of FIG. 1, taken along the 6—6 line of FIG. 2. 

The ornamental design for the back design for a golf club iron head, as shown and described. 